High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
长元音。
longs — plural of long
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长元音。；长音节。；旧时的一种音符,时值为大音符的一半,二全音符的两倍。；长整型变量,大小为 int 的两倍、short 的两倍或四倍、long long 的一半。；持有多头头寸的实体,例如持有某公司一定数量股份的交易者或投资者。
A long vowel.
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长元音。
A long vowel.
长音节。
A long syllable.
旧时的一种音符,时值为大音符的一半,二全音符的两倍。
A note formerly used in music, one half the length of a large, twice that of a breve.
长整型变量,大小为 int 的两倍、short 的两倍或四倍、long long 的一半。
A long integer variable, twice the size of an int, two or four times the size of a short, and half of a long long.
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use longs naturally, then get feedback on meaning, tone, grammar, and phrasing.
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.